Hi all,I am using IDW to interpolate my data points in ArcGIS ,the default number of points in the search radius is 12.Is there a way to determine the number of points to use based on the available sample points?Assumming I have 50 sample points.Thanks

Question

Spatial interpolation using IDW

DanPatterson · Answer

How IDW works—Help | Documentation

How inverse distance weighted interpolation works—ArcGIS Pro | Documentation

basically covers the methodology available to you